<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta charset=utf8>
</head>
<body>
  
    <script>
       console.log('JS可表示的最小值:',Number.MIN_VALUE);
       console.log("JS可表示的最大值:",Number .MAX_VALUE);

       var a = 100.000987;
       console.log(a);
       console.log(a.toString());
       console.log(a.toString(2));
       console.log(a.toString(8));
       console.log(a.toString(16));
       console.log(a.toString(36));

       console.log(a.toFixed());
       console.log(a.toFixed(2));
       console.log(a.toFixed(3));

    </script>


    
</body>
</html>